/Engine/Source/Runtime/Landscape/Public/LandscapeSubsystem.h
[TArray](API\Runtime\Core\Containers\TArray)< [ALandscapeProxy](API\Runtime\Landscape\ALandscapeProxy) * > GetOutdatedProxies ( [UE::Landscape::EOutdatedDataFlags](API\Runtime\Landscape\UE__Landscape__EOutdatedDataFlag-) InMatchingOutdatedDataFlags, bool bInMustMatchAllFlags ) const